Home / 31,488.03-43,453.53-17,340.90

Finding the Fourth Proportional to 31,488.03, 43,453.53 and 17,340.90

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Solution

The fourth proportional to 31,488.03, 43,453.53 and 17,340.90 is: 23,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,488.03 : 43,453.53 = 17,340.90 : x
  2. Step 2: Convert to fraction form
    31,488.03/43,453.53 = 17,340.90/x
  3. Step 3: Cross multiply
    31,488.03x = 43,453.53 × 17,340.90
  4. Step 4: Simplify right side
    31,488.03x = 753,523,318.38
  5. Step 5: Solve for x
    x = 753,523,318.38/31,488.03
  6. Step 6: Final answer
    x = 23,930.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.